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Math Help - Perimeter of isosceles triangle

  1. #1
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    Perimeter of isosceles triangle

    Can anyone help me find the lengths of the sides of this isosceles triangle?

    Help is appreciated.

    Thanks.
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  2. #2
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    Quote Originally Posted by funky_monk View Post
    Can anyone help me find the lengths of the sides of this isosceles triangle?

    Help is appreciated.

    Thanks.
    Get a right-triangle by drawing a perpendicular line from the vertex to the 8cm side.

    Use Pythag to get the length of the hypotenuse of this right-triangle.

    This is also the length of the other two sides of your triangle. Now you know the lengths of the three sides of your triangle.
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